LM4949TL/NOPB

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The LM4949TL/NOPB is a highly efficient integrated audio amplifier from National Semiconductor. It is intended for a variety of professional and consumer applications, including laptop and desktop computers, portable audio players, digital audio systems, and portable media centers. It combines a relatively high degree of programmability with a good level of power efficiency, making it ideal for many applications in the audio field.

The LM4949TL/NOPB audio amplifier utilizes a unique architecture that uses a combination of integrated MOSFET and bipolar transistors, to provide a high degree of linearity and low distortion. This architecture also enables the device to deliver high power output and low power consumption. The internal circuitry of the device is optimized to minimize the harmonic distortion generated when operating at higher output levels.

The LM4949TL/NOPB is capable of driving loads of up to 8 ohms and produces a maximum output voltage of 35 volts. Its wide frequency range allows the device to produce audio signals from 20 Hz to 20 kHz. It is designed to operate with a DC voltage between 4 and 12 volts, and the power dissipation of the device is relatively low for an audio amplifier.

The LM4949TL/NOPB audio amplifier incorporates a low-noise INA145 instrumentation amplifier for improved noise performance, which is further enhanced by an on-chip gain control circuit. The integrated gain control circuit allows the user to adjust the overall gain of the amplifier to suit their requirements.

The LM4949TL/NOPB also provides a wide range of audio parameters, including a two-channel headphone amplifier, mono bridge amplifier, stereo bridge amplifier, and a stereo headphone amplifier. The device has been designed to work with commonly used audio plug-ins and provides the user with the ability to easily switch between multiple sound formats.

The LM4949TL/NOPB audio amplifier uses a state-of-the-art design to provide superior performance. The device is immune to frequency-dependent phase distortion, and it also provides a low level of output harmonic distortion and low intermodulation distortion. The device is capable of producing a wide frequency range with low noise levels and low distortion, which makes it ideal for use in audio systems that require high fidelity performance.

In summary, the LM4949TL/NOPB is an integrated audio amplifier that provides great flexibility with a high degree of programmability. Its combination of low power consumption, low distortion and high fidelity performance makes it a great choice for professional and consumer applications in the audio field. It is capable of driving loads of up to 8 ohms and has been designed with on-chip gain control to allow the user to easily adjust the overall gain of the amplifier to suit their requirements.

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